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powerpc fixes for 4.16 #5

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One notable fix to properly advertise our support for a new firmware feature,
 caused by two series conflicting semantically but not textually.
 
 There's a new ioctl for the new ocxl driver, which is not a fix, but needed to
 complete the userspace API and good to have before the driver is in a released
 kernel.
 
 Finally three minor selftest fixes, and a fix for intermittent build failures
 for some obscure platforms, caused by a missing make dependency.
 
 Thanks to:
   Alastair D'Silva, Bharata B Rao, Guenter Roeck.
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Merge tag 'powerpc-4.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "One notable fix to properly advertise our support for a new firmware
  feature, caused by two series conflicting semantically but not
  textually.

  There's a new ioctl for the new ocxl driver, which is not a fix, but
  needed to complete the userspace API and good to have before the
  driver is in a released kernel.

  Finally three minor selftest fixes, and a fix for intermittent build
  failures for some obscure platforms, caused by a missing make
  dependency.

  Thanks to: Alastair D'Silva, Bharata B Rao, Guenter Roeck"

* tag 'powerpc-4.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/pseries: Fix vector5 in ibm architecture vector table
  ocxl: Document the OCXL_IOCTL_GET_METADATA IOCTL
  ocxl: Add get_metadata IOCTL to share OCXL information to userspace
  selftests/powerpc: Skip the subpage_prot tests if the syscall is unavailable
  selftests/powerpc: Fix missing clean of pmu/lib.o
  powerpc/boot: Fix random libfdt related build errors
  selftests/powerpc: Skip tm-trap if transactional memory is not enabled
This commit is contained in:
Linus Torvalds 2018-03-09 09:33:48 -08:00
commit a525df0558
8 changed files with 68 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

17
include/uapi/misc/ocxl.h
View file

@ -32,6 +32,22 @@ struct ocxl_ioctl_attach {
__u64 reserved3;
};
struct ocxl_ioctl_metadata {
__u16 version; // struct version, always backwards compatible
// Version 0 fields
__u8 afu_version_major;
__u8 afu_version_minor;
__u32 pasid; // PASID assigned to the current context
__u64 pp_mmio_size; // Per PASID MMIO size
__u64 global_mmio_size;
// End version 0 fields
__u64 reserved[13]; // Total of 16*u64
};
struct ocxl_ioctl_irq_fd {
__u64 irq_offset;
__s32 eventfd;
@ -45,5 +61,6 @@ struct ocxl_ioctl_irq_fd {
#define OCXL_IOCTL_IRQ_ALLOC _IOR(OCXL_MAGIC, 0x11, __u64)
#define OCXL_IOCTL_IRQ_FREE _IOW(OCXL_MAGIC, 0x12, __u64)
#define OCXL_IOCTL_IRQ_SET_FD _IOW(OCXL_MAGIC, 0x13, struct ocxl_ioctl_irq_fd)
#define OCXL_IOCTL_GET_METADATA _IOR(OCXL_MAGIC, 0x14, struct ocxl_ioctl_metadata)
#endif /* _UAPI_MISC_OCXL_H */